5672666 has 8 divisors (see below), whose sum is σ = 8529300. Its totient is φ = 2829568.

The previous prime is 5672663. The next prime is 5672669. The reversal of 5672666 is 6662765.

It is an interprime number because it is at equal distance from previous prime (5672663) and next prime (5672669).

It can be written as a sum of positive squares in 2 ways, for example, as 5640625 + 32041 = 2375^2 + 179^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (5672663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2261 + ... + 4056.

Almost surely, 2^5672666 is an apocalyptic number.

5672666 is a deficient number, since it is larger than the sum of its proper divisors (2856634).

5672666 is a wasteful number, since it uses less digits than its factorization.

5672666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6768.

The product of its digits is 90720, while the sum is 38.

The square root of 5672666 is about 2381.7359215497. The cubic root of 5672666 is about 178.3456021683.

Subtracting 5672666 from its reverse (6662765), we obtain a palindrome (990099).

The spelling of 5672666 in words is "five million, six hundred seventy-two thousand, six hundred sixty-six".